def checkForSubscribers(self):
try:
subCheck = re.search('Subscribers:.*', rostopic.get_info_text(self._pub.name)).group(0).split(': ')[1]
if not self._haveRightToPublish and subCheck == '':
self._output.write(PublishRequest(7, 0, True).dataTosend())
self._haveRightToPublish = True
elif self._haveRightToPublish and subCheck == 'None':
self._output.write(PublishRequest(7, 0, False).dataTosend())
self._haveRightToPublish = False
except: pass
def checkForSubscribers(self):
try:
subCheck = re.search('Subscribers:.*',
rostopic.get_info_text(
self._pub.name)).group(0).split(': ')[1]
subTfCheck = re.search(
'Subscribers:.*',
rostopic.get_info_text('/tf')).group(0).split(': ')[1]
if not self._haveRightToPublish and (subCheck == ''
or subTfCheck == ''):
self._output.write(
PublishRequest(DiffDriverCL, 0, True).dataTosend())
self._haveRightToPublish = True
elif self._haveRightToPublish and (subCheck == 'None'
and subTfCheck == 'None'):
self._output.write(
PublishRequest(DiffDriverCL, 0, False).dataTosend())
self._haveRightToPublish = False
self._firstTimePub = True
except:
pass